(转为战略防御处于守势)Р"Truman Doctrine” and “Nixon Doctrine”Р3. Sino-US relations(中美关系)Р"Create a world of peace," the 37th president of the United States Richard Nixon •РWithout China and its 750 million people to participate, there can be not stable and lasting peace.Р - <<Nixon Biography>> P.244РNixon's visit to Pakistan(巴基斯坦),he also said: "China and the U.S.A have been recriminated(反责), hostile between each other for 20 years , I would like to end this situation." - <<Nixon Biography>>P.208РBackgroundРUSAРChinaРThe breakdown ?of Sino-Soviet relations,?China faces pressureРChina's national strength, ?enhance the international statusРThe United States bogged down(陷入困境)in the Vietnam WarРWestern Europe and Japan challenge the United StatesРThey were defensive in the Soviet powerРSoviet Union